Application that crashed: kmail
Version of the application: 1.12.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
i was trying to restart the application.. but it crashed

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007f8c44e76e98 in main_arena () from /lib/libc.so.6
#6  0x00007f8c46abd2c8 in ~ImapJob (this=0x53da980, __in_chrg=<value optimized out>) at ../../kmail/imapjob.cpp:241
#7  0x00007f8c46959797 in KMAcctImap::killAllJobs (this=0x1ea2720, disconnectSlave=<value optimized out>) at ../../kmail/kmacctimap.cpp:192
#8  0x00007f8c46959998 in ~KMAcctImap (this=0x1a39c70, __in_chrg=<value optimized out>) at ../../kmail/kmacctimap.cpp:86
#9  0x00007f8c468e61be in qDeleteAll<QList<KMAccount*>::const_iterator> (this=0x1a28620, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:350
#10 qDeleteAll<AccountList> (this=0x1a28620, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:358
#11 ~AccountManager (this=0x1a28620, __in_chrg=<value optimized out>) at ../../kmail/accountmanager.cpp:39
#12 0x00007f8c469c015f in KMKernel::cleanup (this=0x7fff6c442130) at ../../kmail/kmkernel.cpp:1758
#13 0x0000000000402ff4 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:148

Reported using DrKonqi